Home / 5,210.73-7,184.50-3,618.71

Finding the Fourth Proportional to 5,210.73, 7,184.50 and 3,618.71

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Solution

The fourth proportional to 5,210.73, 7,184.50 and 3,618.71 is: 4,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.73 : 7,184.50 = 3,618.71 : x
  2. Step 2: Convert to fraction form
    5,210.73/7,184.50 = 3,618.71/x
  3. Step 3: Cross multiply
    5,210.73x = 7,184.50 × 3,618.71
  4. Step 4: Simplify right side
    5,210.73x = 25,998,603.97
  5. Step 5: Solve for x
    x = 25,998,603.97/5,210.73
  6. Step 6: Final answer
    x = 4,989.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.